<template>
<div class="shop-info">
    <div class="info-content">
      <section class="section">
        <h3 class="section-title">配送信息</h3>
        <div class="delivery">
          <div>
            <span class="delivery-icon">{{info.description}}</span>
            <span>由商家配送提供配送，约{{info.deliveryTime}}分钟送达，距离{{info.distance}}</span>
          </div>
          <div class="delivery-money">配送费￥{{info.deliveryPrice}}</div>
        </div>
      </section>

      <div class="split"></div>

      <section class="section">
        <h3 class="section-title">活动与服务</h3>
        <div class="activity">
          <div class="activity-item" v-for="(support, index) in info.supports" :key="index"
              :class="supportClasses[support.type]">
            <span class="content-tag">
              <span class="mini-tag">{{support.name}}</span>
            </span>
            <span class="activity-content">{{support.content}}</span>
          </div>
        </div>
      </section>

      <div class="split"></div>

      <section class="section">
        <h3 class="section-title">商家实景</h3>
        <div class="pic-wrapper">
          <ul class="pic-list" ref="picsUl">
            <li class="pic-item" v-for="(pic, index) in info.pics" :key="index">
              <img width="120" height="90" :src="pic"/>
            </li>
          </ul>
        </div>
      </section>

      <div class="split"></div>

      <section class="section">
        <h3 class="section-title">商家信息</h3>
        <ul class="detail">
          <li><span class="bold">品类</span> <span>{{info.category}}</span></li>
          <li><span class="bold">商家电话</span> <span>{{info.phone}}</span></li>
          <li><span class="bold">地址</span> <span>{{info.address}}</span></li>
          <li><span class="bold">营业时间</span> <span>{{info.workTime}}</span></li>
        </ul>
      </section>
    </div>
  </div>
</template>

<script>
import { mapState } from 'vuex'
import BScroll from 'better-scroll'
export default {
  data () {
    return {
      supportClasses: ['activity-green', 'activity-red', 'activity-orange']
    }
  },
  // mounted之后创建BScroll对象
  mounted () {
  // 如果数据还没有, 直接结束
    if (!this.info.pics) {
      return
    }
    // 数据有了, 可以创建BScroll对象形成滑动
    this._initScroll()
  },
  methods: {
    _initScroll () {
      // eslint-disable-next-line no-new
      new BScroll('.shop-info')
      // 动态计算ul的宽度
      const ul = this.$refs.picsUl
      const liWidth = 120
      const space = 6
      const count = this.info.pics.length
      ul.style.width = (liWidth + space) * count - space + 'px'

      // eslint-disable-next-line no-new
      new BScroll('.pic-wrapper', {
        scrollX: true // 水平滑动
      })
    }
  },
  computed: {
    ...mapState(['info'])
  },
  watch: {
    info () { // 刷新流程--> 更新数据
      this.$nextTick(() => {
        this._initScroll()
      })
    }
  }
}
</script>

<style lang="less" scoped>
 .shop-info{
    position: absolute;
    top: 195px;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #fff;
    overflow: hidden;
    .section{
      padding: 16px 14px 14px;
      font-size: 16px;
      background-color: #fff;
      color: #666;
      border-bottom: 1px solid rgb(238, 206, 206);
      position: relative;
      .section-title{
        color: #000;
        font-weight: 700;
        line-height: 16px;
        > .iconfont{
          float: right;
          color: #ccc;
        }
      }
      .delivery{
        margin-top: 16px;
        font-size: 13px;
        line-height: 18px;
        .delivery-icon{
          width: 55px;
          font-size: 11px;
          margin-right: 10px;
          display: inline-block;
          text-align: center;
          color: #fff;
          background-color: #0097ff;
          padding: 1px 0;
          border-radius: 4px
        };
        .delivery-money{
          margin-top: 5px;
        }
      }

      .activity{
        margin-top: 16px;
        .activity-item{
          margin-bottom: 12px;
          display: flex;
          font-size: 13px;
          align-items: center;
          &.activity-green{
            .content-tag{
              background-color: rgb(112, 188, 70);
            }
          }
          &.activity-red{
            .content-tag{
              background-color: rgb(240, 115, 115);
            }
          }
          &.activity-orange{
            .content-tag{
              background-color: rgb(241, 136, 79);
            }
          }
          .content-tag{
            display: inline-block;
            border-radius: 2px;
            width: 36px;
            height: 18px;
            margin-right: 10px;
            color: #fff;
            font-style: normal;
            position: relative;
            .mini-tag{
              position: absolute;
              left: 0;
              top: 0;
              right: -100%;
              bottom: -100%;
              font-size: 24px;
              transform: scale(.5);
              transform-origin: 0 0;
              display: flex;
              align-items: center;
              justify-content: center;
            }
          }
        }
      }
      .pic-wrapper{
        width: 100%;
        overflow: hidden;
        white-space: nowrap;
        margin-top: 16px;
        .pic-list{
          font-size: 0;
          .pic-item{
            display: inline-block;
            margin-right: 6px;
            width: 120px;
            height: 90px;
            &:last-child{
              margin: 0
            }
          }
        }
      }
      .detail{
        margin-bottom: -16px;
        > li{
          display: flex;
          justify-content: space-between;
          align-items: center;
          margin-right: -10px;
          padding: 16px 12px 16px 0;
          line-height: 16px;
          border-bottom:1px solid #ddd;
          font-size: 13px;
          > .bold{
            font-weight: 700;
            color: #333;
          &:last-child{
            border:none;
            }
         }
         }
       }
    }
    .split{
      width: 100%;
      height: 16px;
      border-top: 1px solid rgba(7, 17, 27, 0.1);
      border-bottom: 1px solid rgba(7, 17, 27, 0.1);
      background: #f3f5f7;
    }
 }
</style>
